Telephone base



FIG. 1 is a front view of a telephone base showing my new design;

FIG. 2 is a bottom view of the base;

FIG. 3 is a left side view of the base;

FIG. 4 is a right side view of the base;

FIG. 5 is a top view of the base; and,

FIG. 6 is a rear view of the base.

The ornamental design for a telephone base, as shown and described. 